Launching HTML5 from Project Launcher causes an error

UE - Platform - Mobile - Dec 13, 2016

Projects launched from project launcher are receiving an expression error on Google Chrome and FireFox. ...

Subsurface Profile material does not render properly in the Material Editor or Material Instance Editor

UE - Graphics Features - Dec 15, 2016

Note: I looked for a similar or related bug but could not find one. Sorry if it's here and buried. Subsurface Profile materials render differently in the Material Editor Preview pane than they do a ...

Exposure Metering Mode "Auto Exposure Basic" Disables Histogram Min/Max Control

UE - Graphics Features - Oct 11, 2018

Auto Exposure Basic disables histogram min/max controls. Working as expected in 4.19 CL# 4033788 and 4.20 CL# 4369336 Found in 4.21 Preview 1 CL# 4435822 and 4.22 CL# 4448303 This is a regression ...

Setting KeepState as default in LevelSequences makes Sequencer blend animations not as expected

UE - Anim - Sequencer - Nov 27, 2018

Setting "Keep State" for an animation in sequencer makes the sequence behave differently in Sequencer and in Play Mode. The animations appear to be blending together instead of having normal transit ...

Trace Hit.Z varies strangely based on trace start/end Z

OLD - Anim - May 8, 2017

The Z value of a trace hit will vary based on the Z value of the start/end points of the trace. The larger the start/end Z range, the larger the variance of Hit.Z values. ...

Realtime Rendering toggle disabled after using Cloth Painting

UE - Simulation - Visual - Jul 29, 2021

After finishing cloth painting, the ability to toggle Realtime Rendering in the viewport is greyed out. Additionally, the Disable Realtime Override button doesn't seem to have any effect. This probl ...

Compile Unreal Editor with Visual Studio 2022 can result in an error - Error executing cl.exe, tool returned code: STATUS_ACCESS_VIOLATION

UE - Foundation - Cpp Tools - UnrealBuildTool - Jan 17, 2023

Additional information in the comments. Potential work around if VS has a prompt suggesting installing addition components is to install:MSVC v143 - VS 2022 C++ Arm64 Build Tools(v14.33-17.3)MSVC v ...

Normal tangents aren't recalculated on skeletal meshes with bone transforms when recompute tangent is enabled

UE - Graphics Features - Nov 9, 2016

Enabling recompute tangents on a skeletal mesh does not recompute tangent normals for translated parts of the skelmesh. If you addr.SkinCache.CompileShaders=1r.SkinCache.Mode=1r.SkinCache.Recompute ...

Using the arrow keys to navigate the Attach To dropdown causes accidental selection

Tools - Sep 27, 2016

When using the arrow keys to navigate the Attach To menu, the first actor that is highlighted will automatically be selected instead of allowing the user to select the actor they wish. Regression?: ...

DefaultSceneRoot causes Get Actor Bounds to Return 128

UE - Gameplay - Jun 1, 2016

When using the Default Scene Root component in a blueprint with no additional components, the box extent of the Get Actor Bounds node is returning 128,128,128 instead of the expected 0,0,0. If you ...